Sea Green vs Blue — Difference, Contrast & Harmony

Sea Greennearest vs Bluenearest

#4D975F · #6A80C8

Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 55/100 (triadic (soft)) · Distinguishable 57/100 (somewhat similar) · Match 0/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.

Readability1Fail

The quick brown fox jumps over the lazy dog.

Fail1.1:1

Harmony55Triadic (soft)

Triadic (soft)

91° apart

Distinguishable57Somewhat similar

normal

tritanopia

ΔE 78 (20 under CVD)

Match0Different

ΔE 78 — different

How different are Sea Green and Blue?

Sea Green and Blue are very different (ΔE 78). They have distinctly different hues (91° apart) and their lightness is similar, so they read as two same-weight colours.

Can you read one on the other?

Sea Green text on Blue: 1.07:1 (Fail); Blue text on Sea Green: 1.07:1 (Fail). Neither meets AA at body size — nudging one color to #002107 clears it.

Common questions

Do Sea Green and Blue go well together?

Triadic (soft) — workable but not a textbook harmony (harmony 55/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.

Is Sea Green readable as text on Blue?

Not at body size — the best direction is only 1.1:1, below the 4.5:1 minimum. Nudging one colour to #002107 clears AA.

What is the colour difference (ΔE) between Sea Green and Blue?

Their CIE76 ΔE is about 78 — very different.

Are Sea Green and Blue the same colour?

clearly different colours (ΔE 78).

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